List of Sigma Connected Contact Center Services Customers
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United Kingdom
Since 2010, our global team of researchers has been studying Sigma Connected Contact Center Services customers around the world, aggregating massive amounts of data points that form the basis of our forecast assumptions and perhaps the rise and fall of certain vendors and their products on a quarterly basis.
Each quarter our research team identifies companies that have purchased Sigma Connected Contact Center Services for Professional Services from public (Press Releases, Customer References, Testimonials, Case Studies and Success Stories) and proprietary sources, including the customer size, industry, location, implementation status, partner involvement, LOB Key Stakeholders and related IT decision-makers contact details.
Companies using Sigma Connected Contact Center Services for Professional Services include: OVO Energy, a United Kingdom based Utilities organisation with 5287 employees and revenues of $8.50 billion, Npower Limited, an E.ON company, a United Kingdom based Utilities organisation with 1138 employees and revenues of $1.44 billion, Shell Energy, a United Kingdom based Utilities organisation with 2000 employees and revenues of $1.33 billion, SES Business Water United Kingdom, a United Kingdom based Utilities organisation with 50 employees and revenues of $50.0 million and many others.
Contact us if you need a completed and verified list of companies using Sigma Connected Contact Center Services, including the breakdown by industry (21 Verticals), Geography (Region, Country, State, City), Company Size (Revenue, Employees, Asset) and related IT Decision Makers, Key Stakeholders, business and technology executives responsible for the software purchases.
The Sigma Connected Contact Center Services customer wins are being incorporated in our Enterprise Applications Buyer Insight and Technographics Customer Database which has over 100 data fields that detail company usage of software systems and their digital transformation initiatives. Apps Run The World wants to become your No. 1 technographic data source!
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| Logo | Customer | Industry | Empl. | Revenue | Country | Vendor | Application | Category | When | SI | Insight |
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Npower Limited, an E.ON company | Utilities | 1138 | $1.4B | United Kingdom | Sigma Connected | Sigma Connected Contact Center Services | Professional Services | 2021 | n/a |
In 2021, Npower Limited, an E.ON company implemented Sigma Connected Contact Center Services as a Professional Services engagement to centralize inbound customer handling for energy accounts. The deployment established contact center operations that were subsequently staffed on site in Tipton from June 2022 while agents were subcontracted to support E.ON Next, aligning the Sigma Connected Contact Center Services application with UK customer operations.
The Sigma Connected Contact Center Services implementation configured standard contact center functional modules including telephony intake for card payments over the phone, billing enquiry workflows, tariff advisory scripting, meter reading capture and re-bill processing, complaint de-escalation and complaint recording, and customer feedback capture. These capabilities were operationalized through agent-facing scripts and transaction workflows that reflect energy sector contact center use cases and payment handling over voice channels.
Operational coverage included customer service and billing teams interacting through the contact center, with workflows that update billing systems and trigger re-bill processes when meter readings or billing adjustments are entered. The implementation supported routine interactions such as tariff explanation, smart meter education, and complaint escalation, and it positioned the Sigma Connected Contact Center Services application as the primary front door for account maintenance and payment transactions within the E.ON Next subcontracting arrangement.
Governance and process changes centered on formalizing de-escalation and complaint recording procedures, standardizing meter reading entry and rebilling steps, and instrumenting customer feedback capture to inform service adjustments. Operating procedures and agent responsibilities documented in the Sigma Connected Contact Center Services environment guided day to day operations across customer operations, billing, and complaints functions.
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OVO Energy | Utilities | 5287 | $8.5B | United Kingdom | Sigma Connected | Sigma Connected Contact Center Services | Professional Services | 2023 | n/a |
In 2023, OVO Energy piloted Sigma Connected Contact Center Services, deploying Sigma Connected’s ReachOut service to re-engage unreachable customers within collections and customer support. The pilot began in January 2023 and moved to a contract in July 2023, covering outreach against approximately 37,000 accounts with an explicit objective to provide welfare led interventions and reconnect accounts to active support channels.
The deployment used the ReachOut service as a focused outbound contact module inside Sigma Connected Contact Center Services, leveraging scripted welfare led engagement workflows, call disposition handling, and account reconciliation procedures. The engagement model aligns with Professional Services delivery for contact center outsourcing, emphasizing managed outreach, scripted interventions, and handback procedures for accounts requiring further support.
Operational coverage targeted OVO’s collections and customer support functions, with delivery locations inferred from the case study as Sigma Connected’s UK and South Africa operations. The program reconnected 29 percent of the targeted base of roughly 37,000 accounts, and approximately 15 percent of contacted accounts were transferred back to OVO Energy for ongoing support, reflecting defined handover points between the service and OVO’s internal teams.
Governance followed a staged rollout from pilot to contracted service, with process controls for escalation and account transfer to OVO customer support. The implementation emphasized managed service orchestration, scripted welfare assessments, and operational handoff governance, preserving OVO Energy ownership of ongoing support for accounts returned from the ReachOut engagement.
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SES Business Water United Kingdom | Utilities | 50 | $50M | United Kingdom | Sigma Connected | Sigma Connected Contact Center Services | Professional Services | 2021 | n/a |
In 2021, SES Business Water United Kingdom outsourced its business-customer operations to Sigma Connected via Sigma Connected Contact Center Services, categorized as Professional Services. The engagement deployed a 25 FTE offshore team staffed from Sigma’s South Africa operations to handle collections, complaints, email handling and back-office processing for SES Business Water.
Sigma Connected Contact Center Services was provisioned to operate core contact center workflows including collections operations, complaints management and email case management, with back-office processing capabilities for account reconciliation and administrative support. Configuration emphasized contact routing, case lifecycle tracking, workforce allocation and SLA monitoring to support sustained customer operations and collections activity.
Operational coverage combined onshore business ownership in the United Kingdom with an offshore delivery model based in South Africa, concentrating on business-customer operations and back-office functions rather than product engineering or billing platform changes. The scaled offshore team model was designed to expand as SES Business Water grows, with staffing and capacity plans tied to volume and service demand.
Governance centered on SLA scorecards and ongoing performance reporting, Sigma Connected reporting consistent green SLA scorecards since onboarding. In the first half of 2025 Sigma Connected achieved perfect or top scores across key collection metrics, and SES Business Water and Sigma plan to scale the Contact Center Services as demand increases.
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Utilities | 2000 | $1.3B | United Kingdom | Sigma Connected | Sigma Connected Contact Center Services | Professional Services | 2019 | n/a |
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